| Santo Tirso to Rockville (Maryland) | 3,529.44 mi (5,680.08 km) |
| Santo Tirso to Rockville Centre (New York) | 3,314.38 mi (5,333.99 km) |
| Santo Tirso to Rockwall (Texas) | 4,670.08 mi (7,515.77 km) |
| Santo Tirso to Rocky Mount (North Carolina) | 3,659.32 mi (5,889.10 km) |
| Santo Tirso to Rocky Point (New York) | 3,273.26 mi (5,267.79 km) |
| Santo Tirso to Rocky River (Ohio) | 3,679.67 mi (5,921.85 km) |
| Santo Tirso to Roessleville (New York) | 3,267.89 mi (5,259.16 km) |
| Santo Tirso to Rogers (Arkansas) | 4,429.53 mi (7,128.65 km) |
| Santo Tirso to Rogers (Minnesota) | 4,083.07 mi (6,571.07 km) |
| Santo Tirso to Rohnert Park (California) | 5,549.83 mi (8,931.58 km) |
| Santo Tirso to Rolla (Missouri) | 4,257.78 mi (6,852.23 km) |
| Santo Tirso to Rolling Meadows (Illinois) | 3,943.36 mi (6,346.23 km) |
| Santo Tirso to Roma (Texas) | 5,063.98 mi (8,149.70 km) |
| Santo Tirso to Rome (Georgia) | 4,079.44 mi (6,565.22 km) |
| Santo Tirso to Rome (New York) | 3,333.71 mi (5,365.09 km) |
